Finding the Fourth Proportional to 3,119,149.79, 4,326,448.05 and 3,036,195.18
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Solution
The fourth proportional to 3,119,149.79, 4,326,448.05 and 3,036,195.18 is: 4,211,385.03
Step by Step Solution
- Step 1: Write the proportion equation
3,119,149.79 : 4,326,448.05 = 3,036,195.18 : x - Step 2: Convert to fraction form
3,119,149.79/4,326,448.05 = 3,036,195.18/x - Step 3: Cross multiply
3,119,149.79x = 4,326,448.05 × 3,036,195.18 - Step 4: Simplify right side
3,119,149.79x = 13,135,940,715,930.40 - Step 5: Solve for x
x = 13,135,940,715,930.40/3,119,149.79 - Step 6: Final answer
x = 4,211,385.03
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Why These Related Problems?
These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.